TW202041017A - 視訊寫碼中之隱式變換選擇 - Google Patents

視訊寫碼中之隱式變換選擇 Download PDF

Info

Publication number
TW202041017A
TW202041017A TW109108190A TW109108190A TW202041017A TW 202041017 A TW202041017 A TW 202041017A TW 109108190 A TW109108190 A TW 109108190A TW 109108190 A TW109108190 A TW 109108190A TW 202041017 A TW202041017 A TW 202041017A
Authority
TW
Taiwan
Prior art keywords
block
transformation
current
dst
video
Prior art date
Application number
TW109108190A
Other languages
English (en)
Chinese (zh)
Inventor
席爾米 伊恩斯 埃伊爾梅茲
阿米爾 塞德
法迪姆 塞瑞金
馬塔 卡茲維克茲
Original Assignee
美商高通公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW202041017A publication Critical patent/TW202041017A/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109108190A 2019-03-12 2020-03-12 視訊寫碼中之隱式變換選擇 TW202041017A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962817397P 2019-03-12 2019-03-12
US62/817,397 2019-03-12
US16/815,920 US11539952B2 (en) 2019-03-12 2020-03-11 Implicit transform selection in video coding
US16/815,920 2020-03-11

Publications (1)

Publication Number Publication Date
TW202041017A true TW202041017A (zh) 2020-11-01

Family

ID=72423554

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109108190A TW202041017A (zh) 2019-03-12 2020-03-12 視訊寫碼中之隱式變換選擇

Country Status (15)

Country Link
US (1) US11539952B2 (ko)
EP (1) EP3939280A1 (ko)
JP (1) JP2022525024A (ko)
KR (1) KR20210135245A (ko)
CN (1) CN113545053A (ko)
AU (1) AU2020235621A1 (ko)
BR (1) BR112021017451A2 (ko)
CA (1) CA3131886A1 (ko)
CL (1) CL2021002369A1 (ko)
CO (1) CO2021011797A2 (ko)
IL (1) IL285755A (ko)
MX (1) MX2021010861A (ko)
SG (1) SG11202109072PA (ko)
TW (1) TW202041017A (ko)
WO (1) WO2020186042A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113286150A (zh) * 2021-05-17 2021-08-20 北京大学深圳研究生院 用于视频编解码的变换编码硬件实现方法、装置及设备

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112601084A (zh) * 2017-06-28 2021-04-02 华为技术有限公司 一种图像数据的编码、解码方法及装置
US11259052B2 (en) * 2018-07-16 2022-02-22 Qualcomm Incorporated Transform variations of multiple separable transform selection
US11159795B2 (en) * 2019-03-04 2021-10-26 Tencent America LLC Max transform size control
US11252410B2 (en) 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
US20220417518A1 (en) * 2019-09-21 2022-12-29 Lg Electronics Inc. Transform-based image coding method and device
US11575941B2 (en) * 2021-03-23 2023-02-07 Tencent America LLC Parallel processing in video coding
US20230052538A1 (en) * 2021-08-13 2023-02-16 Meta Platforms, Inc. Systems and methods for determining token rates within a rate-distortion optimization hardware pipeline

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
CN107547901B (zh) * 2012-04-16 2021-07-20 韩国电子通信研究院 用于解码视频信号的方法
US9380307B2 (en) * 2012-11-19 2016-06-28 Qualcomm Incorporated Method and system for intra base layer (BL) transform in video coding
US9432109B2 (en) * 2013-09-04 2016-08-30 Gilat Satellite Networks Ltd. Satellite communication terminal installation
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US9807423B1 (en) * 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
KR20230030054A (ko) 2018-02-09 2023-03-03 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 파티션 기반 인트라 코딩 개념
US10986340B2 (en) 2018-06-01 2021-04-20 Qualcomm Incorporated Coding adaptive multiple transform information for video coding
US11218694B2 (en) 2018-09-24 2022-01-04 Qualcomm Incorporated Adaptive multiple transform coding
EP3937500A4 (en) 2019-03-06 2022-12-14 Electronics and Telecommunications Research Institute METHOD AND DEVICE FOR ENCODING/DECODING IMAGES AND AND RECORDING MEDIUM WITH RECORDED BITSTREAM
CN111669582B (zh) 2019-03-09 2022-05-20 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113286150A (zh) * 2021-05-17 2021-08-20 北京大学深圳研究生院 用于视频编解码的变换编码硬件实现方法、装置及设备

Also Published As

Publication number Publication date
CN113545053A (zh) 2021-10-22
JP2022525024A (ja) 2022-05-11
MX2021010861A (es) 2021-10-22
US11539952B2 (en) 2022-12-27
CO2021011797A2 (es) 2021-09-30
CA3131886A1 (en) 2020-09-17
IL285755A (en) 2021-10-31
CL2021002369A1 (es) 2022-06-17
SG11202109072PA (en) 2021-09-29
EP3939280A1 (en) 2022-01-19
BR112021017451A2 (pt) 2021-11-16
US20200296370A1 (en) 2020-09-17
WO2020186042A1 (en) 2020-09-17
KR20210135245A (ko) 2021-11-12
AU2020235621A1 (en) 2021-09-23

Similar Documents

Publication Publication Date Title
TWI815896B (zh) 寫碼用於視訊寫碼之自適應多重轉換資訊
US11197005B2 (en) Cross-component prediction for video coding
TW202041017A (zh) 視訊寫碼中之隱式變換選擇
TW202101989A (zh) 用於視訊寫碼之參考圖像重採樣及框間寫碼工具
TW202114418A (zh) 用於視訊寫碼中低頻非可分離變換之變換及最後有效係數位置信令傳輸
TW202044839A (zh) 用於視訊寫碼之區塊內複製合併資料語法
US11595663B2 (en) Secondary transform designs for partitioned transform units in video coding
TW202106012A (zh) 用於視訊寫碼之多重自適應迴路濾波器集合
TW202019177A (zh) 結合模式相依內平滑濾波與內插濾波器內切換
CN112425164B (zh) 多个可分离变换选择的变换变体
TW202046721A (zh) 用於視訊寫碼之以梯度為基礎的預測細化
TW202106005A (zh) 視訊寫碼中之簡化色度內模式寫碼
TW202029754A (zh) 用於置零轉換之掃描及最後係數位置寫碼
TW202110177A (zh) 用於視訊寫碼之適應性迴路濾波之非線性延伸
TW202123705A (zh) 低頻不可分離變換(lfnst)訊號傳遞
TW202031049A (zh) 用於係數寫碼之規則寫碼位元子之減少
TW202044833A (zh) 使用不同色度格式之三角預測單元模式中之視訊寫碼
TW202034695A (zh) 用於視訊寫碼之限制仿射運動繼承
TW202029774A (zh) 藉由轉換域濾波之量化假影抑制及信號恢復
TW202038617A (zh) 用於視訊寫碼之以樹為基礎之轉換單元(tu)分區
TW202101996A (zh) 用於視訊寫碼之以梯度為基礎之預測精細化
TW202027507A (zh) 在視訊寫碼中框內區塊複本之預測限制
TW202106013A (zh) 用於視訊寫碼中之自適應迴路濾波器之剪切索引寫碼
TW202038613A (zh) 在視訊寫碼中用於平行處理之處理區域之推導
TW202133615A (zh) 基於色度變換跳過的用於色度的lfnst信號傳遞